Scientific Method

A series of steps used by scientists to solve a problem or answer a question.

• scientific method

• recipe

• data collection

• metric system

Tags

NGSS.MS-ETS1-4

A testable explanation to a problem that has not yet been tested.

• data

• theory

• hypothesis

• fact

Tags

NGSS.HS-PS1-2

This variable in an experiment is the one being changed by the scientist.

• dependent variable

• independent variable

• data

• control group

The summary at the end of an experiment that explains the results.

• conclusion

• procedures

• materials

• responding variable

Tags

NGSS.MS-LS1-5

The name of the information that you get from your experiment (you organize it into charts and graphs).

• observations

  conclusion

• data

• variables

• hypothesis

An experiment is performed on plants to see how different liquids affect plant growth. Each plant in the experiment is given a different liquid; water, apple juice, or milk. Each plant has the same amount of soil, sunlight, and listens to the same music. In this investigation, the independent variable is ...

• The type of plant

• The amount of sunlight

• The type of music

• The type of liquid

Tags

NGSS.MS-LS1-5

Dependent variable means

• the scientist controls what to test

• educated guess

• ask a question

• what is being measured

Which of the following would be considered quantitative data?

• Color
• Smell
• 6.84 cm
• texture

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-4

Explaining the color of a chemical would be what kind of observation?

• Qualitative 
• Quanitative

A student conducted an original, well-designed experiment, carefully following proper scientific procedure. In order for the conclusions to become generally accepted, the experiment must

• support the original hypothesis
• be conducted by a scientist
• be repeated to verify the reliability of the data
• contain several experimental variables